/*
 * Copyright (c) 2009, EzWare
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met:
 * 
 * Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.Redistributions 
 * in binary form must reproduce the above copyright notice, this list of 
 * conditions and the following disclaimer in the documentation and/or 
 * other materials provided with the distribution.Neither the name of the 
 * EzWare nor the names of its contributors may be used to endorse or 
 * promote products derived from this software without specific prior 
 * written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 */

package org.chaser.action

import scala.collection.mutable._
import scala.swing._


object Separator extends Enumeration {
  
   type State     = Value
   val MustHave   = Value
   val MayHave    = Value
   val CannotHave = Value
  
} 

class SeparatorStates {
  
   private val states = new HashMap[Component, Separator.State]();

   def set( c: Component, state: Separator.State ) = states.put( c, state )
   def is( c: Component,  state: Separator.State ): Boolean = states.getOrElse(c, Separator.MayHave ) == state
   
   def clear() = { states.clear }
   
}
